Klaviyo - Klaviyo helps brands own the customer experience, grow higher-value relationships, and deliver more personalized marketing experiences across email, mobile, and web.

Analyzify - Google tag manager and analytics app for your Shopify store

Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.

Shopgram - A free analyzing tool for exploring top Shopify stores

TargetBay - TargetBay is a complete eCommerce revenue generation platform.

MerchantSpring - Multi-channel analytics for Amazon, Walmart, eBay & Shopify